Finding the Fourth Proportional to 577,981.80, 866,979.06 and 258,149.94
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Solution
The fourth proportional to 577,981.80, 866,979.06 and 258,149.94 is: 387,227.75
Step by Step Solution
- Step 1: Write the proportion equation
577,981.80 : 866,979.06 = 258,149.94 : x - Step 2: Convert to fraction form
577,981.80/866,979.06 = 258,149.94/x - Step 3: Cross multiply
577,981.80x = 866,979.06 × 258,149.94 - Step 4: Simplify right side
577,981.80x = 223,810,592,320.26 - Step 5: Solve for x
x = 223,810,592,320.26/577,981.80 - Step 6: Final answer
x = 387,227.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.